1641071233 has 2 divisors, whose sum is σ = 1641071234. Its totient is φ = 1641071232.

The previous prime is 1641071213. The next prime is 1641071281. The reversal of 1641071233 is 3321701461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298377089 + 342694144 = 36033^2 + 18512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641071233 - 2⁹ = 1641070721 is a prime.

It is a super-2 number, since 2×1641071233² = 5386229583560280578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1641071213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820535616 + 820535617.

It is an arithmetic number, because the mean of its divisors is an integer number (820535617).

Almost surely, 2^1641071233 is an apocalyptic number.

It is an amenable number.

1641071233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641071233 is an equidigital number, since it uses as much as digits as its factorization.

1641071233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1641071233 is about 40510.1374102829. The cubic root of 1641071233 is about 1179.5304157091.

Adding to 1641071233 its reverse (3321701461), we get a palindrome (4962772694).

The spelling of 1641071233 in words is "one billion, six hundred forty-one million, seventy-one thousand, two hundred thirty-three".